<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>01-计算属性的基本使用</title>
</head>
<body>

<div id="app">
    <h2>{{message}}</h2>

    <h2>{{firstName + ' ' + lastName}}</h2>

    <h2>{{firstName}} {{lastName}}</h2>

    <!-- ES6写法获取 -->
    <h2>{{getFullName()}}</h2>

    <h2>{{fullName}}</h2>
</div>

<script src="../js/vue.js"></script>
<script>
    const app = new Vue
    (
        {
            el : "#app",
            data : 
            {
                message : "hello",
                firstName : 'Lebron',
                lastName : 'James'
            },

            // computed : 计算属性()
            computed : 
            {
                fullName : function () 
                {
                    return this.firstName + " " + this.lastName;
                }
            },
            methods : 
            {
                getFullName () 
                {
                    return this.firstName + ' ' + this.lastName;
                }
            }
        }
    )
</script>
    
</body>
</html>